feat: share named volumes across Docker and rootless Podman updates [CI]

packaging/systemd/monitor-probe-docker.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Monitor Probe (Docker container)
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+EnvironmentFile=/etc/monitor-update/probe.image
+Restart=always
+RestartSec=5
+TimeoutStopSec=30
+ExecStartPre=-/usr/bin/docker rm -f monitor-probe
+ExecStart=/usr/bin/docker run --rm --name monitor-probe --network host --read-only --security-opt no-new-privileges --security-opt label=disable --cap-drop all --tmpfs /tmp:rw,noexec,nosuid,size=64m,mode=1777 -v /etc/os-release:/etc/os-release:ro -v monitor-probe-config:/etc/monitor -v monitor-probe-status:/etc/monitor/update-status:ro ${IMAGE}
+ExecStop=/usr/bin/docker stop -t 20 monitor-probe
+
+[Install]
+WantedBy=multi-user.target